Sirine C. Fakra
Lawrence Berkeley National Laboratory
Publications 137
Published on 2019in PALAIOS1.64
Sharon A. Newman5
Estimated H-index: 5
(MIT: Massachusetts Institute of Technology),
Mirna Daye2
Estimated H-index: 2
(MIT: Massachusetts Institute of Technology)
+ 5 AuthorsTanja Bosak22
Estimated H-index: 22
(MIT: Massachusetts Institute of Technology)
Published on Sep 19, 2019in Atmospheric Chemistry and Physics5.67
Joseph Salazar2
Estimated H-index: 2
(DU: University of Denver),
Benton T. Cartledge2
Estimated H-index: 2
(DU: University of Denver)
+ 6 AuthorsBrian J. Majestic10
Estimated H-index: 10
(DU: University of Denver)
Abstract. Iron is the most abundant transition element in airborne PM, primarily existing as Fe(II) or Fe(III). Generally, the fraction of water-soluble iron is greater in urban areas compared to areas dominated by crustal emissions. To better understand the origin of water-soluble iron in urban areas, tail-pipe emission samples were collected from 32 vehicles with emission certifications of Tier 0, low emission vehicles (LEV I), tier two low emission vehicles (LEV II), ultralow emission vehicle...
Leonardo Warzea Lima1
Estimated H-index: 1
Gavin Stonehouse + 3 AuthorsElizabeth A. H. Pilon-Smits50
Estimated H-index: 50
More than a billion people worldwide may be selenium (Se) deficient, and supplementation with Se-rich Brazil nuts may be a good strategy to prevent deficiency. Since different forms of Se have different nutritional value, and Se is toxic at elevated levels, careful seed characterization is important. Variation in Se concentration and correlations of this element with other nutrients were found in two batches of commercially available nuts. Selenium tissue localization and speciation were further...
Christine N. Prins4
Estimated H-index: 4
Laura J. Hantzis4
Estimated H-index: 4
+ 5 AuthorsElizabeth A. H. Pilon-Smits50
Estimated H-index: 50
Elemental hyperaccumulation protects plants from many aboveground herbivores. Little is known about effects of hyperaccumulation on belowground herbivores or their ecological interactions. To examine effects of plant selenium (Se) hyperaccumulation on nematode root herbivory, we investigated spatial distribution and speciation of Se in hyperaccumulator roots using X-ray microprobe analysis, and effects of root Se concentration on root-associated nematode communities. Perennial hyperaccumulators ...
Published on Mar 14, 2019in Journal of Physical Chemistry C4.31
Nathan Turner , Sarah Kim + 3 AuthorsSusan L. Dexheimer4
Estimated H-index: 4
We present extended X-ray absorption fine structure (EXAFS) spectra and modeling of a series of structurally tunable quasi-one-dimensional mixed-valence platinum–halide linear chain materials, [Pt(en2)][Pt(en2)X2](ClO4)4 with X = Cl, Br, I. The materials exhibit a commensurate charge density wave with fractional charge states on alternating platinum ions in the chain, as well as a Peierls distortion with alternating platinum–halide bond lengths. The amplitude of the charge density wave and, corr...
Published on Mar 1, 2019in Advanced Materials25.81
Xiang Gao (University of California, Berkeley), Xiaokun Pei (University of California, Berkeley)+ 7 AuthorsSirine C. Fakra35
Estimated H-index: 35
(LBNL: Lawrence Berkeley National Laboratory)
Published on Dec 26, 2018in Journal of the American Chemical Society14.70
Jayeon Baek8
Estimated H-index: 8
Bunyarat Rungtaweevoranit6
Estimated H-index: 6
+ 9 AuthorsChristopher A. Trickett9
Estimated H-index: 9
Particulate methane monooxygenase (pMMO) is an enzyme that oxidizes methane to methanol with high activity and selectivity. Limited success has been achieved in incorporating biologically relevant ligands for the formation of such active site in a synthetic system. Here, we report the design and synthesis of metal–organic framework (MOF) catalysts inspired by pMMO for selective methane oxidation to methanol. By judicious selection of a framework with appropriate topology and chemical functionali...
Published on Aug 20, 2018in Frontiers in Plant Science4.11
Stormy Dawn Lindblom13
Estimated H-index: 13
(CSU: Colorado State University),
Ami L. Wangeline5
Estimated H-index: 5
(Laramie County Community College)
+ 3 AuthorsElizabeth A. H. Pilon-Smits50
Estimated H-index: 50
(CSU: Colorado State University)
Endophytes can enhance plant stress tolerance by promoting growth and affecting elemental accumulation, which may be useful in phytoremediation. In earlier studies, up to 35% elemental selenium (Se0) was found in Se hyperaccumulator Astragalus bisulcatus. Since Se0 can be produced by microbes, the plant Se0 was hypothesized to be microbe-derived. Here we characterize a fungal endophyte of A. bisulcatus named A2. It is common in seeds from natural seleniferous habitat containing 1,000-10,000 mg k...
Published on Apr 25, 2018in ACS central science12.84
Abhishek Parija7
Estimated H-index: 7
(A&M: Texas A&M University),
Yun-Hyuk Choi13
Estimated H-index: 13
(A&M: Texas A&M University)
+ 7 AuthorsSarbajit Banerjee35
Estimated H-index: 35
(A&M: Texas A&M University)
Molybdenum disulfide (MoS2) is a semiconducting transition metal dichalcogenide that is known to be a catalyst for both the hydrogen evolution reaction (HER) as well as for hydro-desulfurization (HDS) of sulfur-rich hydrocarbon fuels. Specifically, the edges of MoS2 nanostructures are known to be far more catalytically active as compared to unmodified basal planes. However, in the absence of the precise details of the geometric and electronic structure of the active catalytic sites, a rational m...